Below are the long-term credit ratings of Australian banks. The four major banks ANZ, Commonwealth, NAB and Westpac are among the strongest and best in the world from a credit standpoint. The five banks have a long-term credit rating of AA- from Standard & Poor's (S&P) and six banks have long-term debt rating of Aa3 from Moody’s. Ratings may be revised or withdrawn at any time by the rating agencies.

No Bank Moody's Standard & Poor's Fitch Ratings
1 ANZ Banking Group Aa3 AA- A+
2 Commonwealth Bank of Australia Aa3 AA- A+
3 National Australia Bank Aa3 AA- A+
4 Westpac Banking Corporation Aa3 AA- A+
5 Rabobank Australia Ltd Aa3 - -
6 Bankwest (1) Aa3 AA- AA-
7 HSBC Bank Australia Limited A1 A+ n/r
8 Suncorp Bank A1 A+ A+
9 Macquarie Bank Limited (MBL) A2 A+ A
10 Bendigo and Adelaide Bank A3 BBB+ A-
11 ING Bank (Australia) Ltd A3 n/a A
12 Bank of Queensland Limited A3 BBB+ A-
13 Citigroup Pty Ltd A3 - -
14 Members Equity Bank Pty Ltd (ME Bank) Baa1 BBB -
15 Australian Military Bank * Baa1 - -
16 Australian Unity Bank n/a BBB+ n/a
17 Arab Bank Australia Limited (ABAL) ** n/a n/a n/a
18 Bank Australia Baa1 BBB  -
19 Auswide Bank Baa2 n/a BBB+
20 AMP Bank Ltd ^ Baa2 BBB n/a
21 Defence Bank  - BBB  -
22 G&C Mutual Bank Baa1 BBB -
23 Teachers Mutual Bank Ltd Baa1 BBB -
24 Greater Bank Ltd  - BBB -
25 Heritage Bank Ltd Baa1  - BBB+
26 IMB Ltd (trading as IMB Bank) *** Baa1 n/a BBB+
27 MyState Bank Limited Baa2 n/a  -
28 Police Bank Ltd  - BBB BBB+
29 Qudos Mutual ltd (trading as Qudos Bank) **** Baa2 n/a  -
30 QPCU Limited (trading as QBANK) n/a n/a n/a
31 Rural Bank Ltd ***** (2)  - n/a -

Credit Ratings as of September 2020.
1 - Bankwest (formerly The Bank of Western Australia) has credit ratings through its parent company the Commonwealth Bank of Australia.
2 - Rural Bank is a wholly-owned subsidiary of Bendigo and Adelaide Bank.
* Moody's completed of a periodic review of the ratings of Australian Military Bank in July 2020.
** S&P withdrew ratings of Arab Bank Australia Ltd at the request of the lender in April 2018. Fitch withdrew ratings in 2016.
*** S&P withdrew ratings of Australia's IMB in June 2018.
**** S&P withdrew the issuer credit ratings of Qudos Mutual Ltd at the company's request in August 2019.
***** S&P withdrew all its issuer credit ratings on Rural Bank Ltd in June 2019.

Standard & Poor's (S&P)
Standard & Poor's, with offices in 24 countries and a history that dates back more than 150 years, is a global leader in objective risk analyses and evaluations of the credit worthiness of issuers worldwide.

Fitch Ratings
Fitch Ratings, founded in December 1913 by John Knowles Fitch, is an international rating agency that provides global capital market investors with ratings and research.

Moody's Investor Services
Moody's maintains a presence in 28 countries and is one of the world's most widely utilized sources for credit ratings, research and risk analysis. The company was established in 1909.